diff --git a/doc.zih.tu-dresden.de/mkdocs.yml b/doc.zih.tu-dresden.de/mkdocs.yml
index cb39ff1bd644c4744c2ea1e4e1432f0b175acbc5..a618efc7c24986bd444c6f165eac8469d5df8918 100644
--- a/doc.zih.tu-dresden.de/mkdocs.yml
+++ b/doc.zih.tu-dresden.de/mkdocs.yml
@@ -52,8 +52,6 @@ nav:
       - Data Analytics with R: software/data_analytics_with_r.md
       - Data Analytics with RStudio: software/data_analytics_with_rstudio.md
       - Data Analytics with Python: software/data_analytics_with_python.md
-      - Dask: software/dask.md
-      - Power AI: software/power_ai.md
       - Apache Spark, Apache Flink, Apache Hadoop: software/big_data_frameworks.md
     - SCS5 Migration Hints: software/scs5_software.md
     - Virtual Machines: software/virtual_machines.md